--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.printer/src/org/graalvm/compiler/printer/CompilationPrinter.java	2016-12-09 00:56:37.715196788 -0800
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.printer;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.graalvm.compiler.debug.LogStream;
+import org.graalvm.compiler.debug.TTY;
+import org.graalvm.compiler.lir.util.IndexedValueMap;
+
+import jdk.vm.ci.code.BytecodeFrame;
+import jdk.vm.ci.code.BytecodePosition;
+import jdk.vm.ci.code.ReferenceMap;
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterSaveLayout;
+import jdk.vm.ci.code.VirtualObject;
+import jdk.vm.ci.meta.JavaMethod;
+import jdk.vm.ci.meta.JavaValue;
+import jdk.vm.ci.meta.MetaUtil;
+
+/**
+ * Utility for printing compilation related data structures at various compilation phases. The
+ * output format is such that it can then be fed to the
+ * <a href="https://c1visualizer.dev.java.net/">C1 Visualizer</a>.
+ */
+public class CompilationPrinter implements Closeable {
+
+    public static final String COLUMN_END = " <|@";
+    public static final String HOVER_START = "<@";
+    public static final String HOVER_SEP = "|@";
+    public static final String HOVER_END = ">@";
+
+    private static OutputStream globalOut;
+
+    /**
+     * Gets a global output stream on a file in the current working directory. This stream is first
+     * opened if necessary. The name of the file is
+     * {@code "compilations-" + System.currentTimeMillis() + ".cfg"}.
+     *
+     * @return the global output stream or {@code null} if there was an error opening the file for
+     *         writing
+     */
+    public static synchronized OutputStream globalOut() {
+        if (globalOut == null) {
+            File file = new File("compilations-" + System.currentTimeMillis() + ".cfg");
+            try {
+                globalOut = new FileOutputStream(file);
+            } catch (FileNotFoundException e) {
+                TTY.println("WARNING: Could not open " + file.getAbsolutePath());
+            }
+        }
+        return globalOut;
+    }
+
+    protected final LogStream out;
+
+    /**
+     * Creates a control flow graph printer.
+     *
+     * @param os where the output generated via this printer will be sent
+     */
+    public CompilationPrinter(OutputStream os) {
+        out = new LogStream(os);
+    }
+
+    /**
+     * Flushes all buffered output to the underlying output stream.
+     */
+    public void flush() {
+        out.flush();
+    }
+
+    @Override
+    public void close() {
+        out.out().close();
+    }
+
+    protected void begin(String string) {
+        out.println("begin_" + string);
+        out.adjustIndentation(2);
+    }
+
+    protected void end(String string) {
+        out.adjustIndentation(-2);
+        out.println("end_" + string);
+    }
+
+    /**
+     * Prints a compilation timestamp for a given method.
+     *
+     * @param method the method for which a timestamp will be printed
+     */
+    public void printCompilation(JavaMethod method) {
+        begin("compilation");
+        out.print("name \" ").print(method.format("%H::%n")).println('"');
+        out.print("method \"").print(method.format("%f %r %H.%n(%p)")).println('"');
+        out.print("date ").println(System.currentTimeMillis());
+        end("compilation");
+    }
+
+    /**
+     * Formats given debug info as a multi line string.
+     */
+    protected String debugInfoToString(BytecodePosition codePos, ReferenceMap refMap, IndexedValueMap liveBasePointers, RegisterSaveLayout calleeSaveInfo) {
+        StringBuilder sb = new StringBuilder();
+        if (refMap != null) {
+            sb.append("reference-map: ");
+            sb.append(refMap.toString());
+            sb.append("\n");
+        }
+        if (liveBasePointers != null) {
+            sb.append("live-base-pointers: ");
+            sb.append(liveBasePointers);
+            sb.append("\n");
+        }
+
+        if (calleeSaveInfo != null) {
+            sb.append("callee-save-info:");
+            for (Map.Entry<Register, Integer> e : calleeSaveInfo.registersToSlots(true).entrySet()) {
+                sb.append(" " + e.getKey() + " -> s" + e.getValue());
+            }
+            sb.append("\n");
+        }
+
+        if (codePos != null) {
+            BytecodePosition curCodePos = codePos;
+            List<VirtualObject> virtualObjects = new ArrayList<>();
+            do {
+                sb.append(MetaUtil.toLocation(curCodePos.getMethod(), curCodePos.getBCI()));
+                sb.append('\n');
+                if (curCodePos instanceof BytecodeFrame) {
+                    BytecodeFrame frame = (BytecodeFrame) curCodePos;
+                    if (frame.numStack > 0) {
+                        sb.append("stack: ");
+                        for (int i = 0; i < frame.numStack; i++) {
+                            sb.append(valueToString(frame.getStackValue(i), virtualObjects)).append(' ');
+                        }
+                        sb.append("\n");
+                    }
+                    sb.append("locals: ");
+                    for (int i = 0; i < frame.numLocals; i++) {
+                        sb.append(valueToString(frame.getLocalValue(i), virtualObjects)).append(' ');
+                    }
+                    sb.append("\n");
+                    if (frame.numLocks > 0) {
+                        sb.append("locks: ");
+                        for (int i = 0; i < frame.numLocks; ++i) {
+                            sb.append(valueToString(frame.getLockValue(i), virtualObjects)).append(' ');
+                        }
+                        sb.append("\n");
+                    }
+
+                }
+                curCodePos = curCodePos.getCaller();
+            } while (curCodePos != null);
+
+            for (int i = 0; i < virtualObjects.size(); i++) {
+                VirtualObject obj = virtualObjects.get(i);
+                sb.append(obj).append(" ").append(obj.getType().getName()).append(" ");
+                for (int j = 0; j < obj.getValues().length; j++) {
+                    sb.append(valueToString(obj.getValues()[j], virtualObjects)).append(' ');
+                }
+                sb.append("\n");
+
+            }
+        }
+        return sb.toString();
+    }
+
+    protected String valueToString(JavaValue value, List<VirtualObject> virtualObjects) {
+        if (value == null) {
+            return "-";
+        }
+        if (value instanceof VirtualObject && !virtualObjects.contains(value)) {
+            virtualObjects.add((VirtualObject) value);
+        }
+        return value.toString();
+    }
+
+    public void printMachineCode(String code, String label) {
+        if (code == null || code.length() == 0) {
+            return;
+        }
+        if (label != null) {
+            begin("cfg");
+            out.print("name \"").print(label).println('"');
+            end("cfg");
+        }
+        begin("nmethod");
+        out.print(code);
+        out.println(" <|@");
+        end("nmethod");
+    }
+
+    public void printBytecodes(String code) {
+        if (code == null || code.length() == 0) {
+            return;
+        }
+        begin("bytecodes");
+        out.print(code);
+        out.println(" <|@");
+        end("bytecodes");
+    }
+}